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In order to increase the amount of signal connections that can be utilised to connect peripheral devices, devices in this family are used in conjunction with microcontrollers, microprocessors, or comparable devices. Call them GPIO expanders.
With the aid of an I/O Expander, a designer can add more inputs and outputs (I/O) to a microprocessor (MPU) or microcontroller (MCU) system. They have a productive data bus interface, which lowers the MPU or MCU’s I/O demands.
The general-purpose input/output (GPIO) expanders from NXP offer a quick and affordable solution for monitoring and controlling a variety of peripheral signals.
They make it simple for designers to incorporate more I/O into their plans, freeing up the microprocessor’s GPIO for other, more crucial tasks. General in nature There are IO Expander (GPIO) products with an I2C bus interface and 2 to 48 IOs available.
A REST or OE that is Output Enable input signal, as well as an additional INT (INTerrupt) output, are features of some products.
The Global I/O expander market accounted for $XX Billion in 2022 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2023 to 2030.
The Fast-mode Plus (Fm+) I2C-bus interface of the NXP Semiconductors PCAL6524 Ultra-Low Voltage I/O Expander enables remote I/O expansion for the majority of microcontrollers. An ultra-low-voltage interface on the PCAL6524 24-bit general-purpose I/O expander allows for direct connection to microcontrollers.
When more I/Os are required, this device offers a straightforward solution with few interconnections. This is perfect for mobile applications that run on batteries and interface with sensors, pushbuttons, and keypads.
I2C General Purpose I/O Expanders from NXP Semiconductors offer GPIO extension for the majority of microprocessor models, enabling designers to reserve GPIOs on microprocessors for other crucial tasks.
The GPIOs of the CPU can be used by designers for crucial tasks, while the I/O expander can be used for other tasks including system monitoring, ACPI power switches, sensors, push buttons, LEDs, fans, and more. Systems can add fan and LED control using NXP GPIO expanders. They are also perfect for receiving push-button inputs and monitoring system operations.
